E9-30. Interpreting Footnotes on Security Investments Snapchat reports the following information in its 2018 10-K report. The table below presents the changes in accumulated other comprehensive income (loss) (AOCI) by component and the reclassifications out of AOCI: Changes in Accumulated Other Comprehensive Income (Loss) by Component Marketable Securities Foreign Currency Translation $ thousands Total Balance at December 31, 2017 .... OCI before reclassifications .. Amounts reclassified from AOCI $(1,078) 710 $15,235 (11,720) $14,157 (11,010) 710 (11,720) (11,010) Net current period OCI... Balance at December 31, 2018 ... $ (368) $ 3,515 $ 3,147 Footnotes report the following information on Snapchats marketable debt securities. Cost or Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Total Estimated Fair Value $ thousands $ 279,950 $ $ $ 279,950 735,988 181,032 12 4 (175) (36) 735,825 181,000 Cash... Level 1 securities: U.S. government securities U.S. government agency securities . Level 2 securities: Corporate debt securities. Commercial paper Certificates of deposit Total .. 1 (18) 35,819 33,193 13,293 35,802 33,193 13,293 $1,279,275 $17 $(229) $1,279,063 a. Snapchats AOCI account includes unrealized gains and losses from two sources. What are those sources? b. Snapchat reported net loss for the year of $1,255,911 thousand. Determine comprehensive income for the year. c. During 2018, did the currencies in the countries where Snapchat's subsidiaries were headquartered weaken or strengthen? d. Snapchat uses Level 1 and Level 2 inputs to determine fair value for its marketable debt investments. Explain the difference between these two inputs. e. Consider the Level 1 securities, which relate to investments in U.S. government de securities. On average, has the market rate of interest for these securities increased or decreased since Snapchat bought these securities